190 55 17 Rear Tire - BMW K1600 Forum : BMW K1600 GT and GTL Forums
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post #1 of 10 Old 01-09-2019, 09:57 PM Thread Starter
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Question 190 55 17 Rear Tire

My dealer does not have tire 190/55 and installed a 50. They say that I would only have difference in the speedo.

What is your experience with 50?

Thanks in advance
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post #2 of 10 Old 01-09-2019, 10:05 PM
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Quote:
Originally Posted by chileno View Post
My dealer does not have tire 190/55 and installed a 50. They say that I would only have difference in the speedo.

What is your experience with 50?
The only 50 I've run on the rear is a 205/50.

...but there is this:

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-Stephen! (The rider formerly known as smv)
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There is NO need to tailgate me when I am doing 50 in a 35 zone... and those flashing lights on top of your car look ridiculous.

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post #3 of 10 Old 01-09-2019, 11:46 PM
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I ran 190/50 for about 4000 miles with no ill effects. I ordered the wrong size didn't want to send it back. Yes the Speedo is off but just use the GPS. Just my .02
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post #4 of 10 Old 01-10-2019, 04:51 AM
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Your odometer will be off as well. It will show more miles traveled than actual, and the difference will increase for the life of the tire.
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post #5 of 10 Old 01-10-2019, 07:17 AM
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You'r GTG, no worries.

Duane

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post #6 of 10 Old 01-10-2019, 10:02 AM
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A lot of C14 riders, myself included, switch out their 190/50 rear to a 190/55 for better handling. Ninja 1000's too. Not too many purposely go the other way, other than maybe for those inseam challenged wanting a bit lower seat height.

The slightly lower rear ride height means your front rake will be a fraction less steep and the trail a bit longer. That combined with the 50 series profile means your turn-in might be a tiny bit slower, but you probably won't notice it.

Did they ask you first before installing it?

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post #7 of 10 Old 01-10-2019, 12:11 PM
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I've run several 190/50 tires on my bike and could never tell the difference. As far as the speedometer goes it is not very accurate even with the 190/55 tire so you won't know if that's off or not. As mentioned just read your speed on the GPS.
As an aside once, when my tire went south while on a trip, the only tire I could find was a 180/50 and the traction control (DTC) didn't pick up on the difference and it worked fine also.


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post #8 of 10 Old 01-10-2019, 04:25 PM
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A dealer did that once to me but never told me. That's when I started doing the tire changes myself. I've saved quite a lot of money getting the tires online and free install now that I have the equipment.

Rick
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post #9 of 10 Old 01-11-2019, 09:57 AM
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This shows the typical difference in profile of the 3 most popular sizes, although some tire models can vary quite a bit. Previous owner of the Trophy SE I owned put on a Shinko Raven 190/50R17 rear tire, which was extremely "flat" compared to other 190/50's. Handled okay, but the turn-in was definitely not as quick.

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post #10 of 10 Old 01-12-2019, 06:41 PM
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My personal concern would be the Load index rating of the smaller size tire(s)!
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